CN210059404U

CN210059404U - Precision correction tool for special-shaped inner cavity

Info

Publication number: CN210059404U
Application number: CN201920453667.5U
Authority: CN
Inventors: 张少威; 石吴琼; 熊伟
Original assignee: DONGFANG ELECTRIC (WUHAN) NUCLEAR EQUIPMENT Co Ltd
Current assignee: DONGFANG ELECTRIC (WUHAN) NUCLEAR EQUIPMENT Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-02-14
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a precision correction instrument of dysmorphism inner chamber, including the axle sleeve, the inside of axle sleeve is provided with the dabber, the upper and lower both sides of axle sleeve all are provided with the kicker, one side welding that the axle sleeve was kept away from to the kicker has the profile modeling cylinder, the right-hand member of dabber runs through the axle sleeve and extends to the outside of axle sleeve, the right-hand member of dabber all is provided with the screw thread with the position that the axle sleeve contacted, the counter bore of diameter 34 mm is seted up in the left side of axle sleeve. The utility model discloses a setting of axle sleeve, the dabber, bracer and profile modeling cylinder can be rectified the use after the guide cylinder continuation section welds, it is big not only to have solved the guide cylinder welding deformation control degree of difficulty, can appear leading to the rule resistance condition big on the contrary after welding, it is too big still to have solved guide cylinder welding deformation simultaneously, lead to the inside casing shrink to lead to the unable problem that passes through of rule, this special-shaped inner chamber's accurate correction tool, possess the correction effect obvious and can satisfy the advantage that leads to rule and frictional force test requirement, be worth promoting.

Description

Precision correction tool for special-shaped inner cavity

Technical Field

The utility model relates to a technical field is rectified to dysmorphism inner chamber precision specifically is a precision correction instrument of dysmorphism inner chamber.

Background

The part guide cylinder is formed by welding a grid plate, a double-hole pipe, a C-shaped pipe and a half square pipe, a friction force test is required after welding, the friction resistance of the go gauge is required to be less than or equal to 40N, the welding deformation control difficulty is high due to large welding amount, the situation that the resistance of the go gauge is large after welding can occur, the part with large friction resistance needs to be corrected, and the conventional correction mode cannot be achieved due to the fact that the inner cavity of a workpiece is special-shaped; in addition, the workpiece is made of stainless steel, the material is soft, the surface is easily damaged by collision in a conventional correction mode, and therefore the conventional correction mode is not feasible.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special-shaped inner chamber's accurate correction instrument possesses the correction effect and obviously just can satisfy the advantage that leads to rule and frictional force test requirement, has solved guide cylinder welding deformation too big, leads to the inside casing shrink to lead to the unable problem that passes through of rule.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precision correction instrument of dysmorphism inner chamber, includes the axle sleeve, the inside of axle sleeve is provided with the dabber, the upper and lower both sides of axle sleeve all are provided with the kicker, one side welding that the axle sleeve was kept away from to the kicker has the profile modeling cylinder.

Preferably, the right end of the mandrel penetrates through the shaft sleeve and extends to the outside of the shaft sleeve, threads are arranged at the positions where the right end of the mandrel is in contact with the shaft sleeve, and a counter bore with the diameter of 34 mm is formed in the left side of the shaft sleeve.

Preferably, the right side of the inner cavity of the shaft sleeve is provided with an inner concave thread, the right end of the mandrel is provided with an outer convex thread, the inner concave thread and the outer convex thread are matched with each other, and the thread is an M18 thread.

Preferably, the supporting block is made of a hard material, and the diameter of the profiling cylinder is 12.8 mm.

Preferably, the edge of the profiling cylinder is subjected to deburring and smooth transition treatment.

Preferably, square holes are formed in the top and the bottom of the shaft sleeve, the size of each square hole is 50 mm to 12 mm, and one side, close to the shaft sleeve, of the support block penetrates through the square holes and is in contact with the surface of the mandrel.

Preferably, one side of the mandrel close to the support block is reversely provided with a 6-degree conical surface, the shaft sleeve is made of soft materials, and the mandrel is made of hard materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of axle sleeve, the dabber, bracer and profile modeling cylinder can be rectified the use after the guide cylinder continuation section welds, it is big not only to have solved the guide cylinder welding deformation control degree of difficulty, can appear leading to the rule resistance condition big on the contrary after welding, it is too big still to have solved guide cylinder welding deformation simultaneously, lead to the inside casing shrink to lead to the unable problem that passes through of rule, this special-shaped inner chamber's accurate correction tool, possess the correction effect obvious and can satisfy the advantage that leads to rule and frictional force test requirement, be worth promoting.

2. The utility model discloses a do burring and rounding off to the cylindrical edge of profile modeling, can effectively avoid the product to be crowded hindering, size 50 mm's square hole and kicker appearance cooperation, guarantee that the kicker can move smoothly, terminal surface M18 screw thread and dabber cooperation, guarantee the motion of dabber, terminal surface phi 34 counter bore and dabber excircle cooperation, guarantee the dabber at downthehole rectilinear motion of making, 6 conical surface and kicker cooperation on dabber surface, guarantee the motion of kicker, M18 screw thread and phi 34 excircle and axle sleeve cooperation, guarantee that the dabber moves freely in the axle sleeve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a structural front view of the mandrel of the present invention;

fig. 3 is a left side view of the structure of the mandrel of the present invention;

fig. 4 is a structural section view of the shaft sleeve of the present invention;

fig. 5 is a structural front view of the shaft sleeve of the present invention;

FIG. 6 is a front view of the structure of the supporting block and the profiling cylinder of the present invention;

fig. 7 is a perspective view of the structure of the supporting block and the profiling cylinder of the present invention.

In the figure: 1 shaft sleeve, 2 mandrel, 3 supporting block and 4 profiling cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-7, a precision correction tool for a special-shaped inner cavity comprises a shaft sleeve 1, a mandrel 2 is arranged inside the shaft sleeve 1, supporting blocks 3 are arranged on the upper side and the lower side of the shaft sleeve 1, a profiling cylinder 4 is welded on one side of each supporting block 3 far away from the shaft sleeve 1, the right end of the mandrel 2 penetrates through the shaft sleeve 1 and extends to the outside of the shaft sleeve 1, threads are arranged at the contact part of the right end of the mandrel 2 and the shaft sleeve 1, a counter bore with a diameter of 34 mm is formed in the left side of the shaft sleeve 1, an inner concave thread is arranged on the right side of the inner cavity of the shaft sleeve 1, an outer convex thread is arranged at the right end of the mandrel 2, the inner concave thread and the outer convex thread are matched with each other, the threads are M18 threads, the supporting blocks 3 are made of a hard material, the profiling cylinder 4 has a diameter of 12.8 mm, the edge of the profiling cylinder 4 is subjected to deburring and, one side of the supporting block 3 close to the shaft sleeve 1 penetrates through the square hole and is in contact with the surface of the mandrel 2, a 6-degree conical surface is reversely arranged on one side of the mandrel 2 close to the supporting block 3, the shaft sleeve 1 is made of a soft material, and the mandrel 2 is made of a hard material;

the edge of the profiling cylinder 4 is subjected to deburring and smooth transition treatment, so that the product can be effectively prevented from being extruded and damaged, a square hole with the size of 50 x 12 mm is matched with the supporting block 3 in shape, the supporting block 3 can move smoothly, the M18 thread on the end surface is matched with the mandrel 2 to ensure the movement of the mandrel 2, the counter bore of the end surface phi 34 is matched with the excircle of the mandrel 2 to ensure the linear movement of the mandrel 2 in the hole, the 6-degree conical surface on the surface of the mandrel 2 is matched with the supporting block 3 to ensure the movement of the supporting block 3, and the M18 thread and the phi 34 excircle are matched with the shaft sleeve 1 to ensure the free movement of the mandrel 2 in the shaft sleeve 1;

through axle sleeve 1, dabber 2, setting of brace piece 3 and profile modeling cylinder 4, can weld the back at guide cylinder continuous section and rectify the use, it is big not only to have solved the guide cylinder welding deformation control degree of difficulty, can appear leading to the rule resistance condition on the large side after welding, it is too big still to have solved guide cylinder welding deformation simultaneously, lead to the inside casing shrink to lead to the unable problem that passes through of rule, this special-shaped inner chamber's precision correction instrument, it is obvious and can satisfy the advantage that leads to rule and frictional force test requirement to possess the correction effect, be worth promoting.

The working principle is as follows: by using the principle of conical surface movement, horizontal movement is converted into vertical movement, the workpiece is corrected and jacked open through the vertical movement, the horizontal movement depends on the thread rotation of M18, each circle of horizontal movement is 2.5 mm, the angle of the conical surface is 6 degrees, each movement in the horizontal direction is 1 mm, the movement in the vertical direction is 0.1 mm, in the using process, the M18 thread is rotated, each rotation is one circle, the movement in the vertical direction is 0.25 mm, the tool has an obvious correction effect, the correction time of each group of continuous sections is about 0.5h, and the correction effect can meet the requirements of a standard gauge and a friction force test.

In summary, the following steps: this precision correction instrument of dysmorphism inner chamber uses through the cooperation of axle sleeve 1, dabber 2, brace piece 3 and profile modeling cylinder 4, has solved guide cylinder welding deformation too big, leads to the unable problem that passes through of inside casing shrink expert rule.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision correction instrument of dysmorphism inner chamber, includes the axle sleeve, its characterized in that: the inside of axle sleeve is provided with the dabber, the upper and lower both sides of axle sleeve all are provided with the kicker, one side welding that the axle sleeve was kept away from to the kicker has the profile modeling cylinder, the right-hand member of dabber runs through the axle sleeve and extends to the outside of axle sleeve, the right-hand member of dabber all is provided with the screw thread with the position that the axle sleeve contacted, the counter bore of diameter 34 mm is seted up in the left side of axle sleeve, the right side of axle sleeve inner chamber is provided with the indent screw thread, the right-hand member of dabber is provided with the evagination screw thread, mutually supports between indent.

2. The precision correction tool for the irregular inner cavity according to claim 1, wherein: the supporting block is made of hard materials, and the diameter of the profiling cylinder is 12.8 mm.

3. The precision correction tool for the irregular inner cavity according to claim 1, wherein: and the edge of the profiling cylinder is subjected to deburring and smooth transition treatment.

4. The precision correction tool for the irregular inner cavity according to claim 1, wherein: the top and the bottom of the shaft sleeve are both provided with square holes, the size of each square hole is 50 mm to 12 mm, and one side of the support block, which is close to the shaft sleeve, penetrates through the square holes and is in contact with the surface of the mandrel.

5. The precision correction tool for the irregular inner cavity according to any one of claims 1 to 4, wherein: one side of the mandrel close to the support block is reversely provided with a 6-degree conical surface, the shaft sleeve is made of soft materials, and the mandrel is made of hard materials.